CVE-2026-92944
vm2 versions 3.10.2 through 3.11.6 contain a sandbox escape vulnerability on Node.js 26 where Promise.prototype.finally() bypasses vm2's wrapper protections due to a stale PromiseThenLookupChain protector in V8 14.6. Attackers can exploit this by creating an async function that returns a Promise with an attacker-controlled constructor Symbol.species, allowing them to reach the host Function constructor and process object for arbitrary code execution.
취약점 유형
vm2 versions 3.10.2 through 3.11.6 contain a sandbox escape vulnerability on Node.js 26 where Promise.prototype.finally() bypasses vm2's wrapper protections due to a stale PromiseThenLookupChain protector in V8 14.6. Attackers can exploit this by creating an async function that returns a Promise with an attacker-controlled constructor Symbol.species, allowing them to reach the host Function constructor and process object for arbitrary code execution.
참고 자료
- https://github.com/patriksimek/vm2/commit/4635ddd85839461c8ad791990023a477efefe7bd
- https://github.com/patriksimek/vm2/commit/7b26e81087ec88c287d9a4812f969d412f32774e
- https://github.com/patriksimek/vm2/security/advisories/GHSA-27g9-p43v-cw3v
- https://www.vulncheck.com/advisories/vm2-3.10.2-through-3.11.6-sandbox-escape-via-promise-protector
- https://github.com/patriksimek/vm2/security/advisories/GHSA-27g9-p43v-cw3v
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